Preston is a 22-year-old left wing for the Graystone University Vipers hockey team and an heir to a powerful founding family in Graystone Ridge. He cultivates an arrogant public persona, deliberately researching opponents' vulnerabilities to provoke them on the ice. Beneath this theatrical behavior, he struggles with severe mental health issues, dissociation, and trauma from his childhood. He relies on prescription medication and physical pain to ground himself, leading to a volatile and sexually charged dynamic with his primary rival.

Marcus is the calculating captain of the Stanton Wolves hockey team and the illegitimate son of a wealthy founding family patriarch. Raised in the working-class town of Stantonville by his mother, he rejects his father's attempts to bring him into the family legacy. He harbors a deep fascination with Preston tracing back to a brief childhood meeting where they exchanged mango candy and a daisy. This early connection evolves into an intense, aggressive physical rivalry on the hockey rink.

Jude is a defenseman for the Graystone University Vipers and one of Preston's two closest friends. Hailing from a founding family, he operates within a violent secret society that dictates life in Graystone Ridge. He is highly protective of Preston, frequently intervening physically when he perceives a threat to his friend's well-being. He actively distrusts outsiders, maintaining a particular hostility toward Marcus.

Kane is the pragmatic captain of the Vipers and an heir to a Graystone Ridge founding family. He serves as a stabilizing force for Preston, carefully monitoring his friend's mental state, medication intake, and erratic behavior. He possesses a controlled demeanor that contrasts with the volatility of his teammates, allowing him to manage the team's dynamics and their secret society's obligations effectively.

Lawrence is Preston's emotionally distant father and a powerful patriarch within Graystone Ridge. He exerts significant authority over his son's life, relying on enforcers and strict discipline to manage Preston's behavior. His approach to parenting creates a strained, fearful dynamic, leaving Preston constantly seeking his approval while terrified of his punishments.

Valérie is Preston's late mother. Her death by suicide during Preston's childhood left a permanent traumatic imprint on him. She is remembered as a loving presence whose absence continues to shape Preston's struggles with abandonment, guilt, and dissociation.

Andrew is Marcus's largely absent, immensely wealthy father. As a founding family patriarch, he is heavily focused on succession and legacy following the deaths of his other sons. He frequently attempts to draw an unwilling Marcus into the family hierarchy using financial leverage, expensive gifts, and manipulation.

June is Marcus's devoted mother, who works as a nurse. She raised Marcus in the working-class town of Stantonville, fiercely rejecting Andrew's wealth in favor of providing a loving, stable home. Her steadfast support forms the foundation of Marcus's resistance to the Osborn family's influence.

Dr. Duret is a therapist who meets regularly with Preston. She provides a space for him to articulate his fears, suppressed trauma, and violent impulses. She offers a maternal, attentive presence that Preston desperately craves, though his sessions with her are often highly volatile.

Lenin is an intimidating enforcer associated with Lawrence Armstrong. He is tasked with monitoring Preston and administering physical "corrections" when Preston's behavior threatens to embarrass the founding family.

Miley is Preston's seven-year-old half-sister. She represents a gentler, more innocent aspect of Preston's life. Preston is highly protective of her and treasures the rare moments of uncomplicated affection they share away from the darker politics of their family.

Lilith is Preston's stepmother and Lawrence's current wife. Her relationship with Preston is marked by mutual hostility, as she views him as an obstacle to her own position, while he resents her manipulative integration into his family following his mother's death.

Serena is Marcus's ambitious half-sister. Deeply entrenched in the Osborn family's power struggles, she views Marcus as a potential threat to her inheritance and position, maintaining a calculated and frequently antagonistic watch over him.

Violet is a young woman intimately connected to Jude Callahan. Her presence occasionally sparks tension between the hockey players, and she inadvertently becomes a target in the dangerous politics of the Graystone Ridge founding families.

Dahlia is Kane Davenport's girlfriend. She has a brief romantic history with Marcus, which she occasionally uses to provoke reactions from the Vipers, adding friction to the already tense dynamic between the rival hockey teams.

Marguerite is Preston's grandmother and a formidable figure within the Armstrong family hierarchy. She embodies the ruthless protection of legacy and reputation that characterizes the founding families of Graystone Ridge, displaying a willingness to resort to lethal measures to maintain control.

Claude is a former long-term boyfriend of Preston's mother. His presence in the Armstrong household during Preston's childhood is a source of dark, suppressed memories that continue to shape Preston's extreme aversion to physical touch.

Hayes is an aide working for the Armstrong family. He assists Preston with various off-the-books tasks, such as delivering messages and running errands that Preston wishes to keep hidden from Lawrence.

Dr. Fenwick is a medical professional and therapist. Lawrence Armstrong relies on him to manage Preston's psychiatric care, leading Preston to fear that his family is plotting to have him institutionalized without his consent.